GOVT. POLYTECHNIC MAYURBHANJ, TIKARPADA SUMMER INTERNSHIP IN IRRIGATION DEPARTMENT PRESENTED BY : SUBMITTED TO NAME : MOHIT KUMAR NAYAK MRS. SUBHASMITA NAIK : AJIT NAYAK : DEEPAK SINGH Branch : CIVIL ENGG.
STUDY OF DIFFERENT IRRIGATION STRUCTURE IRRIGATION CANAL & ITS TYPE CANAL SECTION CANAL HEAD WORKS CROSS DRAINAGE WORK DAMS
IRRIGATION CANAL & ITS TYPES [BASED ON DISCHARGE] A] MAIN CANAL : ITS IS THE BACKBONE OF CANAL SYSTEM. b ] BRANCH CANAL : THE DISCHARGE OF IT VARIES FROM 5 TO 10 CUMEC. C ] DISTRIBUTARY CANAL : THE DISCHARGE OF IT VARIES FROM 0.25 TO3 CUMEC. D] FIELD CHANNEL : THESE ARE OPERATED BY THE CULTIVATORS.
CANAL SECTION Berm Hydraulic gradient Counter berm Canal bank Free board Side slope Services road or inspection road Dowels or Dowla Borrow pit Spoil bank Land width
CANAL HEAD WORKS A] STORAGE HEAD WORKS B] DIVERSION HEAD WORKS
CROSS DRAINAGE WORKS IRRIGATION CANAL PASSES OVER THE DRAINAGE.
1] IRRIGATION CANAL PASSES OVER THE DRAINAGE. AQUEDUCT. SIPHONE AQUEDUCT.
DRAINAGE PASSES OVER THE CANAL. SUPER PASSAGE SIPHON SUPER PASSAGE
DAMS DRAINAGE AND CANAL INTERSECT EACH OTHER AT THE SAME LEVEL.